Studer Part Number: A949.0427. It offers four high - performance analog microphone/line inputs, great for your audio needs.

To use this Studer mic/line in card, first make sure your D21m Modular I/O System is powered off. Then carefully insert the card into the appropriate slot. Once it's in, power on the system. When connecting your audio devices, use the four analog microphone/line inputs for clear sound capture. Remember to handle the card gently to avoid any damage. For maintenance, keep it in a clean and dry place. If you notice any dust, use a soft, dry cloth to clean it. Don't use any harsh chemicals on the card.